Operationalamplifier is the most versatilesignalconditioning block in any portable system. Itcan bea filter, an amplifier, an voltage detector, a levelshifter, a buffer or even a switch.
We also covered several off-grid devices that we'd like to have in the event of another storm of Sandy's magnitude -- Nokero's compact SunRay Pro solar charger, Berkey's super-versatile and effective water filter and Eton's hand-crank cellphone charger.
With the P7700, features like a noise reduction filter, tone level information, COOLPIX Picture Control and versatile bracketing functions open the door for even more creative control and freedom when capturing still images.